SHARP: HYDRADEPHAGA OF LANCASHIRE AND CHESHIRE. 201 
Interesting records are H. rivalis, in clay-pits behind Wavertree 
Park, 1. septentrionalis and H. davisit, the latter by Mr. Chappell and 
Mr. Gregson. The other, H. septentrionalis, is recorded by Mr. Kinder 
as from Kirkdale freely, but this seems to me to require confirmation. 
1. septentrionalis is one of the species restricted apparently to clear 
running streams, and Mr. Kinder’s localities were clay-pits, which 
seem most unlikely situations. 
#1. pictus, a very small and easily- distinguishable species, occurs 
in nearly all the Cheshire ponds of clear waters sparingly, and 
generally singly. A. /epidus is also not a common insect. I have 
en it at Heswall and Ledsham, Cheshire, and the late Mr. Archer 
tecords it from New Brighton. A. /ituratus I have taken usually 
in ditches near the sea at Leasowe, Cheshire, and Heswall, 
. planus 
always more or less plentiful in the district. On the whole, we 
are well represented in this genus, the species that do not occur 
being rare and local. 
€ now have to consider another group of genera, of which 
Agabus is the largest. 
_ Ldybius (the mud dweller) numbers seven species, one of which 
1s doubtful as British, /. swdeneus, and if Mr. Gregson’s record of 
Z. augustior, ‘ formerly plentiful in Mosslake Fields,’ be accepted, we 
have all the others. One of them, /. guttiger, indeed is recorded from 
no nearer than Preston, by Mr. Wilding, but the others are fairly 
distributed. It is noteworthy that all the specimens of J. odscurus 
which I have taken, have been of the variety sexdentatus ; the type 
form I have never seen. 
Agabus contains nineteen species, of which we have nine recorded. 
One of them, A. dipustulatus, is very common everywhere. 
A. chalconatus, in a ditch near Morton, and in Shotwick Brook, 
also by Mr. Stott at Lostock, Bolton. 
A. sturmii I have taken abundantly all through Cheshire. 
A. paludosus rests on one species reported by Mr. Kinder, from 
Crosby, but Mr. Stott takes it near Bolton. 
A. nitidus, Mr. Wilding has taken near Preston. 
A. guttatus, fairly common. A. nebulosus, Dr. Ellis in his Fauna 
mentions as abundant, but I have never met with a specimen in 
Cheshire. He took his on the sand-hills at Wallasey. 
A. conspersus, a rather rare and maritime species taken at Crosby 
and Hightown. 
July 1802, 
